.border-radius (@radius) {
  border-radius: @radius;
  -moz-border-radius: @radius;
  -webkit-border-radius: @radius;
}

.absoluteCenter(@divHeight){
  margin: auto;
  position: absolute;
  top: 50%;
  left: 5%;
  right: 5%;
  margin-top: -0.5*@divHeight;
}